C++ PathName::IsValid方法代码示例

BOOL SGThumbs::OpenThumbnailFile( CCDiskFile* pFile, const PathName& ThumbFileName ) const
{
	ERROR3IF( pFile==NULL, "SGThumbs::OpenThumbnailFile passed a null ptr" );
	
	TRACEUSER( "Martin", _T("Open thumb file: %s\n"), (const TCHAR *)ThumbFileName.GetPath() );

	BOOL Found = FALSE;

	if(!ThumbFileName.IsValid())
	{
		// either xarainfo\\<filename> or the actual clipart file
		ERROR3("SGThumbs::OpenThumbnailFile received an invalid xarainfo\\<filename> file");
		Error::ClearError();
		return FALSE;
	}

	// Open file and check if it exists at the same time
	if( !( Found = pFile->open( ThumbFileName, ios::in | ios::binary ) ) )
	{
		Found = FALSE;
		Error::ClearError();
	}

	return Found;
}

BOOL OpMenuSave::Save ( Filter *pFilter, CCLexFile *pFile )
{
	// Check that the extension is ok according to this filter
	// But only if the operation requires it
	if (FixFileType())
	{
		PathName pth = pFile->GetPathName();
		if (pth.IsValid()) EnsureFileTypeCorrectId(pFilter, pth);
	}

	// open the file and export into it
	if (!SaveSpecificFile(pFilter, pFile))
	{
		FailAndExecute();
		return FALSE;
	}

	// Success.
	return TRUE;
}

/*******************************************************************************************

  > BOOL BitmapPreviewData::GenerateHTMLStub(BrowserPreviewOptions BrowserOptions)
  
	Author: 	Stefan_Stoykov (Xara Group Ltd) <[email protected]> 
	Created:	24/6/97
	Inputs: 	BrowserOptions - the options for generating the html page
	Purpose:	Generate a html file which includes our bitmap, together with some other optional 
				stuff. Used for browser preview.
				
*******************************************************************************************/
BOOL BitmapPreviewData::GenerateHTMLStub(BrowserPreviewOptions BrowserOptions)
{
PORTNOTE("other","Removed _R(IDD_TIMAPOPTIONS) - isn't wanted yet")
#ifndef EXCLUDE_FROM_XARALX
	// sanity checks
	
	// check for export options
	
	ERROR3IF(m_pOptions == NULL, "BitmapPreviewData::GenerateHTMLStub - need export options");
	if (m_pOptions == NULL) // we need export options
		return FALSE;
	
	// get the path for the exported bitmap from the options
	PathName TempPath = m_pOptions->GetPathName();
	
	// check for exported bitmap
	ERROR3IF((m_pOptions->HasTempFile() == FALSE) || (TempPath.IsValid() == FALSE), 
		"BitmapPreviewData::GenerateHTMLStub - need exported bitmap");
	if ((m_pOptions->HasTempFile() == FALSE) || (TempPath.IsValid() == FALSE)) 
		return FALSE;
	
	// delete the previous temp file, if any
	if (m_pTempHTMLPath != NULL)
		FileUtil::DeleteFile(m_pTempHTMLPath);
	else
		m_pTempHTMLPath = new PathName;
	
	// safety check
	if (m_pTempHTMLPath == NULL)
		return FALSE;
	
	// create a new temp file 
	if (FileUtil::GetTemporaryPathName( _T("htm"),m_pTempHTMLPath) == FALSE)
	{
		delete m_pTempHTMLPath;
		m_pTempHTMLPath = NULL;
		
		return FALSE;
	}
	
	// start creating the html page
	
	// create a disk file
	CCDiskFile TempDiskFile(1024, FALSE, TRUE);
	
	// get path name to server, so we can find the logo bitmaps
	CString str;
	AfxGetModuleShortFileName(AfxGetInstanceHandle(), str);
	String_256 strPathName(str.GetBuffer(0));
	
	// create a path name object from the program name
	PathName ProgramPath(strPathName);
	
	try
	{
		// open it for reading
		if (!TempDiskFile.open(*m_pTempHTMLPath, ios::out))
			return FALSE;
		
		// output header
		String_256 s(_R(IDS_HTML_HEAD));
		TempDiskFile.write(s);
		
		// set the background attributes
		switch (BrowserOptions.m_Background)
		{
		case BROWSER_BGR_DOC:
			{
				// set the background from the document page
				if (!SetBackgroundFromPage(TempDiskFile, BrowserOptions.m_pSpread))
					ERROR3("Setting the html background from the document page failed\n");
			}
			break;
			
		case BROWSER_BGR_CHECKER:
			{
				// display the checkered bitmap as background
				
				// get the checkered bitmap name
				String_256 Checker(_R(IDS_HTML_CHECKER));
				
				// set it in the path
				ProgramPath.SetFileNameAndType(Checker);
				
				// set the checkered bitmap as background image
				s.MakeMsg(_R(IDS_CHECK_BACK), (TCHAR *)ProgramPath.GetWebAddress());
				TempDiskFile.write(s);
			}
			break;
//.........这里部分代码省略.........